Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2023   18:26:31   (   0.05, -75.19) (  -0.05, -75.74)   61.90                80
 02/05/2023   18:10:24   (   0.05, -75.20) (   0.91, -71.19)  455.42                80
 02/07/2023   06:32:11   (  -0.05, -75.21) (   0.26, -76.46)  143.63                80
 02/08/2023   06:10:45   (  -0.04, -75.22) (  -0.76, -71.93)  373.97                80
 02/09/2023   18:32:41   (   0.04, -75.23) (  -0.40, -77.24)  228.64                80
 02/10/2023   18:16:35   (   0.04, -75.24) (   0.63, -72.71)  289.41                80
 02/12/2023   06:38:21   (  -0.04, -75.27) (   0.54, -77.98)  308.34                80
 02/13/2023   06:16:55   (  -0.04, -75.28) (  -0.43, -73.43)  209.70                80
 02/14/2023   18:38:50   (   0.03, -75.29) (  -0.72, -78.74)  392.72                80
 02/15/2023   18:22:44   (   0.03, -75.31) (   0.25, -74.20)  125.53                80
 02/17/2023   06:44:30   (  -0.01, -75.33) (   0.91, -79.47)  471.50                80